*{
	margin: 0px;
	padding: 0px;
}
ul,ol{
	list-style: none;
}

body{
	height: 100vh;
	background: #000;
	display: flex;
	justify-content: center;
	align-items: center;
}

ul{
	height: 200px;
	display: flex;
}
li{
	width: 20px;
	height: 20px;
	border-radius: 10px;
	background-color: red;
	margin-right: 20px;
}

li:nth-child(1){
	background-color: red;
	animation: love1 4s 0s infinite;
}
li:nth-child(2){
	background-color: darkturquoise;
	animation: love2 4s 0.2s infinite;
}
li:nth-child(3){
	background-color: darksalmon;
	animation: love3 4s 0.4s infinite;
}
li:nth-child(4){
	background-color: deeppink;
	animation: love4 4s 0.6s infinite;
}
li:nth-child(5){
	background-color: yellow;
	animation: love5 4s 0.8s infinite;
}
li:nth-child(6){
	background-color: deeppink;
	animation: love4 4s 1s infinite;
}
li:nth-child(7){
	background-color: darksalmon;
	animation: love3 4s 1.2s infinite;
}
li:nth-child(8){
	background-color: darkturquoise;
	animation: love2 4s 1.4s infinite;
}
li:nth-child(9){
	background-color: red;
	animation: love1 4s 1.6s infinite;
}

@keyframes  love1{
	30%,50%{
		height: 60px;
		transform: translateY(-30px);
	}
	70%,100%{
		height: 0px;
		transform: translateY(0px);
	}
}

@keyframes  love2{
	30%,50%{
		height: 125px;
		transform: translateY(-60px);
	}
	70%,100%{
		height: 0px;
		transform: translateY(0px);
	}
}
@keyframes  love3{
	30%,50%{
		height: 160px;
		transform: translateY(-75px);
	}
	70%,100%{
		height: 0px;
		transform: translateY(0px);
	}
}
@keyframes  love4{
	30%,50%{
		height: 180px;
		transform: translateY(-60px);
	}
	70%,100%{
		height: 0px;
		transform: translateY(0px);
	}
}
@keyframes  love5{
	30%,50%{
		height: 200px;
		transform: translateY(-45px);
	}
	70%,100%{
		height: 0px;
		transform: translateY(0px);
	}
}